Below is a list of Rancho Santa Margarita CA zip codes. For your research we have also included Rancho Santa Margarita Area Code, Time Zone, UTC and the local Orange County FIPS Code. Each Rancho Santa Margarita California zip code has a center Longitude / Latitude point (the Rancho Santa Margarita center is -117.60600280762 / 33.63159942627). For your convenience we have also indicated if that zip code in Rancho Santa Margarita observes Daylight Savings time.